<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" clearable v-model="queryinfo.query" @clear='getGoodsList'>
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 动态参数表格 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
         <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
         <el-table-column label="创建时间" prop="add_time" width="140px">
           <template slot-scope="scope">
              {{scope.row.add_time | dateFormat}}
           </template>
         </el-table-column>
        <el-table-column label="操作" width="160px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" ></el-button>
            <el-button type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryinfo.pagenum"
        :page-sizes="[5, 7, 10, 15]"
        :page-size="queryinfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      //分页器参数对象
      queryinfo:{
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //商品数据数组
      goodsList: [],
      //商品数据总条数
      total: 0,
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    //根据分页获取对应的商品列表
    async getGoodsList() {
      const {data:res} = await this.$http.get('goods', {
        params: this.queryinfo
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败");
      }
      this.goodsList=res.data.goods
      this.total=res.data.total
    },
    //分页器每页条数改变
    handleSizeChange(val) {
      this.queryinfo.pagesize=val
      this.getGoodsList();
    },
    //分页器页码改变
    handleCurrentChange(val) {
      this.queryinfo.pagenum=val
      this.getGoodsList();
    },
    async removeById(goods_id){
        const resultConfirm = await this.$confirm(
        "此操作将永久删除该商品, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      //如果用户确认删除，返回为字符串comfirm
      //如果用户取消删除，返回字符串cancel
      if (resultConfirm !== "confirm") {
        return this.$message.info("已取消删除");
      }
      const { data: res } = await this.$http.delete(`goods/${goods_id}`);
      if (res.meta.status !== 200) {
        return this.$message.error("删除商品失败");
      }
      this.$message.success("删除商品成功");
      this.getGoodsList()
    },
    goAddpage(){
      this.$router.push('/goods/add')
    }
  },
};
</script>

<style lang="less" scoped>
</style>
